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A10 Networks Thunder ADC vs NetScaler comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 30, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
7.9
A10 Networks Thunder ADC enhances performance, reduces costs, and offers significant returns, particularly benefiting engineers with Cisco backgrounds.
Sentiment score
8.1
NetScaler ensures data security and operational efficiency, providing significant cost savings and stability for medium enterprises.
We do see a return on investment and cost reductions after the implementation of A10 Networks Thunder ADC.
Head Of Technical And Network Security at Connex Information Technologies
 

Customer Service

Sentiment score
7.3
A10 Networks Thunder ADC offers reliable support with quick issue resolution, though improvements in documentation and emergency response are needed.
Sentiment score
6.1
Citrix support is responsive and knowledgeable, though some users report delays and prefer direct access to experienced engineers.
The support we receive from the team is quite excellent.
Head Of Technical And Network Security at Connex Information Technologies
 

Scalability Issues

Sentiment score
6.9
A10 Networks Thunder ADC efficiently supports growth, unifying devices and applications for seamless scalability and performance without degradation.
Sentiment score
7.8
NetScaler is praised for high scalability and flexibility, despite some challenges with licensing complexity and multi-tenancy support.
 

Stability Issues

Sentiment score
8.3
A10 Networks Thunder ADC is reliable and stable, with minimal downtime and minor software issues not impacting production.
Sentiment score
7.6
NetScaler is highly rated for stability and performance, with some recommending regular maintenance for optimal reliability.
In some of our deployments of A10 Networks Thunder ADC, we have employed DDoS and other security features, and for the past few years, we haven't experienced any major incidents.
Head Of Technical And Network Security at Connex Information Technologies
 

Room For Improvement

A10 Networks Thunder ADC's user interface and features need enhancement in integration, security, scalability, and cloud support.
NetScaler needs improvements in usability, stability, security integration, and support while enhancing documentation, pricing transparency, and deployment processes.
In future updates, I would like to see better speed in the features of A10 Networks Thunder ADC.
Head Of Technical And Network Security at Connex Information Technologies
 

Setup Cost

A10 Networks Thunder ADC offers cost-effective solutions with embedded licensing, competitive pricing, and varied annual support costs.
NetScaler pricing is high but offers strong features; cost-saving options include alternatives or negotiating multi-year subscriptions.
I estimate that I can save around 20 to 30 percent of my budget with A10 Networks Thunder ADC.
Head Of Technical And Network Security at Connex Information Technologies
 

Valuable Features

A10 Networks Thunder ADC provides cost-effective, user-friendly traffic management, security, and scalability with features like DDoS mitigation and SSL offloading.
NetScaler provides flexible deployment, security enhancements, and integration with Citrix for efficient application delivery and robust traffic management.
I would assess A10 Networks Thunder ADC's load balancing for improving application reliability during peak periods at around 9 out of 10, as GSLB is far better, and we are very satisfied with it.
Head Of Technical And Network Security at Connex Information Technologies
 

Categories and Ranking

A10 Networks Thunder ADC
Ranking in Application Delivery Controllers (ADC)
11th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
23
Ranking in other categories
No ranking in other categories
NetScaler
Ranking in Application Delivery Controllers (ADC)
1st
Average Rating
8.4
Reviews Sentiment
7.0
Number of Reviews
107
Ranking in other categories
Network Management Applications (4th), Web Application Firewall (WAF) (10th)
 

Mindshare comparison

As of February 2026, in the Application Delivery Controllers (ADC) category, the mindshare of A10 Networks Thunder ADC is 5.4%, up from 5.0% compared to the previous year. The mindshare of NetScaler is 13.0%, down from 15.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Delivery Controllers (ADC) Market Share Distribution
ProductMarket Share (%)
NetScaler13.0%
A10 Networks Thunder ADC5.4%
Other81.6%
Application Delivery Controllers (ADC)
 

Featured Reviews

NC
Head Of Technical And Network Security at Connex Information Technologies
Global load balancing has improved reliability and currently reduces latency across multi-cloud
I have experience with AWS, and I also have experience with both AWS and Azure, and sometimes GCP as well. We utilize multi-cloud support with A10 Networks Thunder ADC. We have customers utilizing A10 Networks Thunder ADC in the public cloud as well. I didn't technically involve myself with analytics in A10 Networks Thunder ADC because I haven't been involved in that part in the past few years. According to my team, the analytics tools are quite prominent, so there are no issues there. We have a distributorship with A10 Networks and are considered a partner. I would rate this review 9 out of 10.
LD
Information Technology Division Director at Ethiopian Roads Administration
Offers better visibility into user sessions compared to other solutions
Improvements are needed to address the issue of machines becoming unregistered, ensuring stability for end users. Troubleshooting with Citrix support can be challenging, so clearer diagnostics would be beneficial. As for global server load balancing, it works well on-premises, depending on user volume and service stability. Overall, it's satisfactory for us.
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Manufacturing Company
8%
Financial Services Firm
8%
Government
7%
Computer Software Company
12%
Government
9%
Manufacturing Company
8%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise5
Large Enterprise11
By reviewers
Company SizeCount
Small Business45
Midsize Enterprise23
Large Enterprise57
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
I would recommend A10 Networks due that it delivers high performance in a small form factor to reduce OPEX with significantly lower power usage, rack space, and cooling requirements compared to oth...
Do you recommend A10 Networks Thunder ADC?
I do recommend A10 Networks Thunder ADC. It's very user-friendly, easy to configure, and flexible. It is a very useful solution - especially now, when a lot of employees are working remotely. I hav...
What do you like most about A10 Networks Thunder ADC?
A10 Networks Thunder ADC is an easy-to-use and flexible solution.
What do you like most about Citrix ADC?
The most valuable feature for us is the application firewalling in Citrix NetScaler, ensuring only valid traffic enters our environment.
What is your experience regarding pricing and costs for Citrix ADC?
After deployment, Citrix Netscaler shifted to a subscription-based license scheme for support, which is slightly more expensive.
What needs improvement with Citrix ADC?
Citrix NetScaler is a robust product, but mastering it requires significant learning and training due to its complexity. While it could be easier to manage, it is like transitioning from driving a ...
 

Also Known As

Thunder ADC, AX Series
Citrix ADC, Citrix NetScaler VPX, NetScaler Console, NetScaler Web Application Firewall, NetScaler VPX - Customer Licensed
 

Overview

 

Sample Customers

123inkt.nl, Bentley University, Box, Brainshark, Buienradar, Capgemini, CGN/LSN & NAT64, Chengdu Telecom, Club One, Code Ready, CRC Health Group, Cyso, Deutsche Telekom, Earth Class Mail, Excite, FFF Enterprises, Florence County, Framingham State University, From30
ABB Schweiz, Aer Lingus, AIDS Healthcare Foundation, Amnet Technology Solutions, Aramex International, Ascenty, Atos, Autodesk
Find out what your peers are saying about A10 Networks Thunder ADC vs. NetScaler and other solutions. Updated: February 2026.
881,733 professionals have used our research since 2012.